라즈베리 파이 HDMI/composite 끄는법?

정녕.. 부팅레벨에서 끄는법은 없는건가? ㅠㅠ

config.txt나 cmdline.txt쪽을 봐야 할듯.. ㅠㅠ

일단 목적은.. spi fbtft 쪽을 fb0로 할당하기!

[링크 : http://elinux.org/RPiconfig]

[링크 : https://www.raspberrypi.org/documentation/configuration/config-txt.md]

use videocore GPU command  to switch off or on HDMI service thus saving valuable watts :) Switch on “/opt/vc/bin/tvservice -p” Switch off “/opt/vc/bin/tvservice -o”

[링크 : https://glframebuffer.wordpress.com/2013/08/28/raspberrypi-how-to-turn-off-hdmi-from-raspberry-pi/]

    [링크 : https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=55354]